make primary landing button dark red

Change-Id: I2d515991ccdca79a28ee1ebe7706e8fbc3afc57e
diff --git a/tools/droiddoc/templates-sdk/assets/css/default.css b/tools/droiddoc/templates-sdk/assets/css/default.css
index 2ccabc8..5ffb1ea 100644
--- a/tools/droiddoc/templates-sdk/assets/css/default.css
+++ b/tools/droiddoc/templates-sdk/assets/css/default.css
@@ -6695,16 +6695,16 @@
 }
 
 .landing-primary {
-  background-color: hsl(8, 70%, 54%); /* #dc4b35 */
+  background-color: hsl(8, 70%, 44%);
   color: #f8f8f8;
 }
 
 .landing-button.landing-primary:hover {
-  background-color: hsl(8, 70%, 44%); /* #bf3722 */
+  background-color: hsl(8, 70%, 36%);
 }
 
 .landing-button.landing-primary:active {
-  background-color: hsl(8, 70%, 36%); /* # */
+  background-color: hsl(8, 70%, 30%);
 }
 
 .landing-button.landing-secondary {